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  1. #include <stdio.h>
  2. //課題3
  3. int rec(int n){
  4. 	if (n == 0){
  5. 		return 3;
  6. 	}else if(n == 1){
  7. 		return 0;
  8. 	}else if(n == 2){
  9. 		return 2;
  10. 	}else{
  11. 		return rec(n-2)+rec(n-3);
  12. 	}
  13.  
  14. }
  15.  
  16. int main(void) {
  17.     int n = 50; 
  18.     for(int i = 1; i <= n; i++){
  19.         int an = rec(i);
  20.         if (an % i == 0){
  21.         	printf("%d",i);
  22.         }
  23.     }
  24.  
  25. 	return 0;
  26. }
  27.  
  28.  
Success #stdin #stdout 0.01s 5284KB
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Standard input is empty
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123571113171923293137414347
https://ideone.com/iTKDox
language:
C (gcc 8.3)
created:
73 days ago
visibility:
public

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